{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004536},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002883","490:4900002891","490:4900002446","490:4900002135","494:4940006942","490:4900003708","490:4900002129","490:4900003297","494:4940008002","490:4900004124","490:4900004541","494:4940007581","490:4900002435","490:4900004421","490:4900005375","496:4960007902","490:4900003997","490:4900005092","490:4900003992","490:4900003298","494:4940008201","490:4900003857","490:4900001139","490:4900001683","490:4900003564"],"twin_admin_codes":[490,490,490,490,494,490,490,490,494,490,490,494,490,490,490,496,490,490,490,490,494,490,490,490,490],"twin_sims":[0.4026281564141612,0.402026483140064,0.3941395548808205,0.38116990652427934,0.33572737778592615,0.31495742602753385,0.2866721415931379,0.25319624537443813,0.24452171998474867,0.24418162042498756,0.2398259087928489,0.23390151680012353,0.23328549588711103,0.23285104778336477,0.2289253625932896,0.2237345216381868,0.22135879973178568,0.2193950464724352,0.20731837976022893,0.19543169531621363,0.19193581356871273,0.18927421673398062,0.18567200049463112,0.18548100580408394,0.18356239095446192],"twin_dists":[0.1751854069779021,0.1753293374249732,0.1772251694784055,0.1803815953244488,0.1918853971137105,0.1974192861214415,0.20530162621361298,0.21526204916107883,0.21797653102317385,0.218084207671758,0.21947189831991107,0.2213859208087987,0.2215867540941409,0.22172860097473962,0.22301830168856115,0.2247462974833179,0.22554606130656024,0.22621148146424117,0.23039452925588755,0.2346774375170426,0.23597120492704174,0.23696727076565158,0.2383310859969918,0.23840391409976297,0.23913844497968123],"n_dims_used":45,"mean_confidence":0.9251787821451823},"coverage":{"mean_confidence":0.9251787821451823,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}